Home / 4,105.24-6,158.46-1,331

Finding the Fourth Proportional to 4,105.24, 6,158.46 and 1,331

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Solution

The fourth proportional to 4,105.24, 6,158.46 and 1,331 is: 1,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.24 : 6,158.46 = 1,331 : x
  2. Step 2: Convert to fraction form
    4,105.24/6,158.46 = 1,331/x
  3. Step 3: Cross multiply
    4,105.24x = 6,158.46 × 1,331
  4. Step 4: Simplify right side
    4,105.24x = 8,196,910.26
  5. Step 5: Solve for x
    x = 8,196,910.26/4,105.24
  6. Step 6: Final answer
    x = 1,996.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.